#ifndef __FUNC_FILE_H__
#define __FUNC_FILE_H__

char *my_strcat(char *dest, const char *src);
char *my_strchr(const char *str, int c);
int my_strcmp(const char *s1, const char *s2);
size_t my_strlen(const char *s);
char *my_strcpy(char *dest, const char *src);
char *my_strstr(const char *str, const char *substr);
#endif